P0944
Hydraulic Pressure Unit Loss of Pressure
Generic code
Transmission System
High severity
Hard repair
Free on OBD DashX
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What P0944 means
- The fault code P0944 indicates that there has been a loss of pressure in the hydraulic pressure unit. This may cause the transmission to shift poorly or not shift at all.
Possible symptoms
- Transmission shifts poorly or not at all
- Illuminated check engine light
- Harsh or delayed shifting
- Transmission slips or fails to engage
Possible causes
- Malfunctioning hydraulic pressure unit
- Low transmission fluid level or pressure
- Damaged wiring or connectors in the circuit
- Failed transmission control module (TCM)
Related parts
- Hydraulic Pressure Sensor: Hydraulic oil is needed for the gear lubrication system. This sensor measures oil pressure. This car's sensor has a problem which may cause difficulty in shifting gears
Possible solutions
- Replace the hydraulic pressure unit
- Check and refill the transmission fluid to the correct level
- Inspect and repair any damaged wiring or connectors in the circuit
- Replace the transmission control module (TCM) if necessary
Free on OBD DashX
P0944 on OBD DashX
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